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Story summary
- Chinese scientists built and tested the world’s first submarine solar farm at 10 m depth.
- The farm employed lead-halide perovskite cells tuned to blue-green light with a 1.96 eV band gap.
- A 0.0895 cm² cell achieved 34.71 % efficiency and retained 99.58 % after 1,000 hours underwater.
- Field trials near Weizhou Island produced up to 1,416 mWh at 2 m depth, powering an LED panel.
